Luna/kernel/src/thread/Thread.h
2022-12-07 16:11:59 +00:00

58 lines
990 B
C

#pragma once
#include "arch/CPU.h"
#include <luna/LinkedList.h>
#include <luna/Result.h>
#ifdef ARCH_X86_64
#include "arch/x86_64/CPU.h"
#else
#error "Unknown architecture."
#endif
enum class ThreadState
{
Idle,
Runnable,
Sleeping
};
struct Thread : public DoublyLinkedListNode<Thread>
{
Registers regs;
u64 id;
u64 ticks = 0;
u64 ticks_in_user = 0;
u64 ticks_in_kernel = 0;
u64 ticks_left;
ThreadState state = ThreadState::Runnable;
bool is_idle()
{
return state == ThreadState::Idle;
}
void init_regs_kernel();
void init_regs_user();
void set_arguments(u64 arg1, u64 arg2, u64 arg3, u64 arg4);
void set_ip(u64 ip);
u64 ip();
void set_sp(u64 sp);
u64 sp();
};
void switch_context(Thread* old_thread, Thread* new_thread, Registers* regs);
bool is_in_kernel(Registers* regs);
Result<Thread*> new_thread();
Result<Thread*> create_idle_thread();
extern DoublyLinkedList<Thread> g_threads;